Suppose X is a uniform random variable on the interval (-1,1), and a is a constant different from 1. Which of the following statements are true? a. The 4th moment calculated for this random variable is 1/5. b. Var(aX+a)=a2 Var(X) c. Markov's inequality can be applied for this random variable. d.

Suppose X is a uniform random variable on the interval (-1,1), and a is a constant different from 1. Which of the following statements are true? a. The 4th moment calculated for this random variable is 1/5. b. Var(aX+a)=a2 Var(X) c. Markov's inequality can be applied for this random variable. d.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Suppose X is a uniform random variable on the interval (-1,1), and a is a constant different from 1. Which of the following statements are true?

The 4th moment calculated for this random variable is 1/5.

Var(aX+a)=a² Var(X)

Markov's inequality can be applied for this random variable.

none of all these choices

E[aX]=aE[X}

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